#-*- coding:utf-8 -*-
import cv2
filename = 'pic-test/PEOPLE.jpg'
face_cascade = cv2.CascadeClassifier('D:/python-project/opencv-master/data/haarcascades/haarcascade_frontalface_alt2.xml')
eye_cascade = cv2.CascadeClassifier('D:/python-project/opencv-master/data/haarcascades/haarcascade_eye.xml')

img = cv2.imread(filename)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

faces = face_cascade.detectMultiScale(gray, 1.3, 5)
for (x, y, w, h) in faces:
    cv2.rectangle(img, (x, y), (x+w, y+h), (255, 0, 0), 2)
    roi_gray = gray[y:y+h, x:x+w]
    roi_color = img[y:y+h, x:x+w]
    eyes = eye_cascade.detectMultiScale(roi_gray)
    for [ex, ey, ew, eh] in eyes:
        cv2.rectangle(roi_color, (ex, ey), (ex+ew, ey+eh), (0, 255, 0), 2)
cv2.imshow('img', img)
cv2.waitKey(0)
cv2.destroyAllWindows()